148 PROCEEDINGS OP THE ACADEMY OF [1880 



nomial), Sloane gives not the slightest description, but says th^it, 

 it agrees perfectly with the figure of Marcgrave which is the G.. 

 maracoani of authors. I think that any one studying as I have 

 large series of specimens, will agree with me in uniting these 

 various forms under one specific name, as the characters which 

 separate them are variable and not of specific importance. Prob- 

 ably G. minax should also be included here, as suggested by 

 Professor Smith. 



23. Gelasimus minax LeConte. PI. x, f. 21. 



Gelamnus minax LeConte, Pix)C. Phila. Acad., vii, p. 403 (1855; ; 



Smith, Trans. Conn. Acad., ii, p. 128, PL II, f. 4, PI. IV, f. 1 



(1870) ; Rep. U. S. Fish Commission for 1871-72, p. 545 (1875); 

 Kingsley, Proc. Phila. Acad., 1879. p. 400. 



Carapax strongly arcuate longitudinally, the branchial regions 

 granulate anteriorly. Meros of larger chelipeds, with the upper 

 and lower margins tubei'culate as is the upper portion of carpus ; 

 inner margin of carpus with prominent tubercles, its inner surface 

 with an oblique tubercular ridge. Palm cristate above, externally 

 with large depressed tubercles above, smaller below, inner surface 

 also tuberculate and with a ridge of tubercles running obliquely 

 up from the lower margin at the base of the thumb to the depres- 

 sion into which the carpus folds, and a second curved one near the 

 base of the fingers. Fingers long, slender, regularly tapering, 

 finger longer than the thumb and distally strongly' arcuate. 



Beesley's Point, Dennis Creek, N.J..' S. Ashmead (Phila. Acad., 

 LeConte's types) ; Bhiffton, S. G. ! Dr. Mellichamp (Peab. Acad.) ; 

 Northampton Co., Va. / H. E. Websier (Union College); New 

 Haven, Conn., and St. Avgustine, Fla. (Smith). 



24. Gelasimus annulipes M.-Edw. PI. x, f. 22. 



Oekisimus annulipes M.-Edw., Hist. Nat. Crust., II, p. 55, PI. 18, 1. 

 10-13 (18371 ; White, Cat. B. M. Crust., p 36 (1847' ; Edw.. Ann. 

 Sci. Nat. Ill, xviii, p. 149, PI. IV, f. 45 (1852) ; Dana, U. S. Ex. 

 Ex. Crust., 317 (1853) ; Heller, Reise der Novara, Crustacea, p. 88 

 (1867); Hilgendorf in Baron Decken's Reise, p. 85 (1867) ; Monats- 

 berichte Berliner Akademie, 1878, p. 803; Kossmann, Reise nach 

 rothen Meeren, p. 53 (187>) ; Spence Bate in J. K. Lord's Natural- 

 ist in Vancouver. Gelasimus macrodactylus Edwards and Lucas in 

 D'Orbigny's Voyage, 27, PI. XI, f. 3 (1843) ; Nicollet in Gay's Hist. 

 Chili Zool., iii, 165 (1840); Edw., Ann. Sci. Nat., Ill, xviii, 149 

 (1852\ Gelasimus lacteus Krauss, Sud. Af. Crust., p. 39 (teste Hil- 

 gendorf j. Gelasimus pidchellus UtiTaitsou, Proc. Phila. Acad., 1858, 

 p. 100. Gelasimus annulipes \a,v albiinana kossmann I.e.. Gelmi- 

 mus rectilatus Lockington, Proc. California Acad. Sci., p. 148 

 (1877), 



I 



